Machining dimension prediction apparatus, machining dimension prediction system, machining dimension prediction method, and recording medium

A machining dimension prediction method, comprising:

• calculating a feature using a trend of a state of a machining tool in each of a plurality of sections included in a machining period from a start to an end of machining for each of a plurality of workpieces on which the machining is performed by the machining tool;
• specifying, from the plurality of sections, a section including a calculated feature having a degree of relevance being greatest, the degree of relevance being a degree of relevance to a measurement value of a dimension of each of the plurality of workpieces;
• and
• predicting, when a new-target workpiece is machined, a dimension of the new-target workpiece based on the feature calculated using the trend of the state in the specified section.

A non-transitory computer-readable recording medium storing a program, the program causing a computer to perform operations comprising:

• calculating a feature using a trend of a state of a machining tool in each of a plurality of sections included in a machining period from a start to an end of machining for each of a plurality of workpieces on which the machining is performed by the machining tool;
• specifying, from the plurality of sections, a section including a calculated feature having a degree of relevance being greatest, the degree of relevance being a degree of relevance to a measurement value of a dimension of each of the plurality of workpieces;
• and
• predicting, when a new-target workpiece is machined, a dimension of the new-target workpiece based on the feature calculated using the trend of the state in the specified section.